Rating:
Information injection-pump assembly
BOSCH
F 019 Z20 051
f019z20051
ZEXEL
102750-0001
1027500001
KOMATSU
6354711411
6354711411
Service parts 102750-0001 INJECTION-PUMP ASSEMBLY:
1.
_
3.
GOVERNOR
6.
COUPLING PLATE
7.
COUPLING PLATE
8.
_
9.
_
11.
Nozzle and Holder
6354-11-3101
12.
Open Pre:MPa(Kqf/cm2)
24.5{250}
15.
NOZZLE SET
Cross reference number
BOSCH
F 019 Z20 051
f019z20051
ZEXEL
102750-0001
1027500001
KOMATSU
6354711411
6354711411
Zexel num
Bosch num
Firm num
Name
102750-0001
F 019 Z20 051
6354711411 KOMATSU
INJECTION-PUMP ASSEMBLY
4A95L Q 14BD INJECTION PUMP ASSY PE4AD PE
4A95L Q 14BD INJECTION PUMP ASSY PE4AD PE
Calibration Data:
Adjustment conditions
Test oil
1404 Test oil ISO4113 or {SAEJ967d}
1404 Test oil ISO4113 or {SAEJ967d}
Test oil temperature
degC
40
40
45
Nozzle and nozzle holder
105780-8140
Bosch type code
EF8511/9A
Nozzle
105780-0000
Bosch type code
DN12SD12T
Nozzle holder
105780-2080
Bosch type code
EF8511/9
Opening pressure
MPa
17.2
Opening pressure
kgf/cm2
175
Injection pipe
Outer diameter - inner diameter - length (mm) mm 6-2-600
Outer diameter - inner diameter - length (mm) mm 6-2-600
Overflow valve
137500-1120
Overflow valve opening pressure
kPa
255
221
289
Overflow valve opening pressure
kgf/cm2
2.6
2.25
2.95
Tester oil delivery pressure
kPa
157
157
157
Tester oil delivery pressure
kgf/cm2
1.6
1.6
1.6
Direction of rotation (viewed from drive side)
Right R
Right R
Injection timing adjustment
Direction of rotation (viewed from drive side)
Right R
Right R
Injection order
1-2-4-3
Pre-stroke
mm
2.5
2.45
2.55
Beginning of injection position
Drive side NO.1
Drive side NO.1
Difference between angles 1
Cyl.1-2 deg. 90 89.5 90.5
Cyl.1-2 deg. 90 89.5 90.5
Difference between angles 2
Cal 1-4 deg. 180 179.5 180.5
Cal 1-4 deg. 180 179.5 180.5
Difference between angles 3
Cal 1-3 deg. 270 269.5 270.5
Cal 1-3 deg. 270 269.5 270.5
Injection quantity adjustment
Adjusting point
-
Rack position
11.6
Pump speed
r/min
800
800
800
Average injection quantity
mm3/st.
143
141.4
144.6
Max. variation between cylinders
%
0
-2.5
2.5
Basic
*
Fixing the rack
*
Standard for adjustment of the maximum variation between cylinders
*
Injection quantity adjustment_02
Adjusting point
H
Rack position
9.5+-0.5
Pump speed
r/min
325
325
325
Average injection quantity
mm3/st.
56.3
54.3
58.3
Max. variation between cylinders
%
0
-15
15
Fixing the rack
*
Standard for adjustment of the maximum variation between cylinders
*
Injection quantity adjustment_03
Adjusting point
A
Rack position
R1(11.6)
Pump speed
r/min
800
800
800
Average injection quantity
mm3/st.
143
142
144
Basic
*
Fixing the lever
*
Injection quantity adjustment_04
Adjusting point
B
Rack position
R1+0.4
Pump speed
r/min
1600
1600
1600
Average injection quantity
mm3/st.
149
145
153
Fixing the lever
*
Timer adjustment
Pump speed
r/min
1280--
Advance angle
deg.
0
0
0
Remarks
Start
Start
Timer adjustment_02
Pump speed
r/min
1230
Advance angle
deg.
0.5
Timer adjustment_03
Pump speed
r/min
1600
Advance angle
deg.
4.5
4
5
Remarks
Finish
Finish
Test data Ex:
Governor adjustment
N:Pump speed
R:Rack position (mm)
(1)Torque cam stamping: T1
(2)Tolerance for racks not indicated: +-0.05mm.
----------
T1=H74
----------
----------
T1=H74
----------
Speed control lever angle
F:Full speed
I:Idle
(1)Use the hole at R = aa
(2)Stopper bolt set position 'H'
----------
aa=42.8mm
----------
a=40deg+-5deg b=(42deg)+-3deg
----------
aa=42.8mm
----------
a=40deg+-5deg b=(42deg)+-3deg
Stop lever angle
N:Pump normal
S:Stop the pump.
----------
----------
a=20deg+-5deg b=40deg+-5deg
----------
----------
a=20deg+-5deg b=40deg+-5deg
Timing setting
(1)Pump vertical direction
(2)Position of gear mark 'C' at No 1 cylinder's beginning of injection
(3)B.T.D.C.: aa
(4)-
----------
aa=25deg
----------
a=(200deg)
----------
aa=25deg
----------
a=(200deg)
Have questions with 102750-0001?
Group cross 102750-0001 ZEXEL
Komatsu
102750-0001
F 019 Z20 051
6354711411
INJECTION-PUMP ASSEMBLY
4A95L
4A95L